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Pseudomycelium is formed in

What are the causes of forest fire?

How many teeth are normally present in an adult human?

A pulse crop is grown between two cereal crops to compensate for the________.

When you exercise vigorously a rate of breathing increases, why?

Option 1 : the supply more oxygen to cells to release more energy

Option 2 : to remove the lactic acid formed

Option 3 : to increase the heartbeat

Option 4: to expand and contract the lungs

Question 1 (a)
Fill in the blanks:
(a) The main steps of nutrition in humans are __, __, __, __ and __.

Which are the specific structures involved in the filtration of blood in the kidney?​

State whether the following statements are true or false. Justify your statement. [5 MARKS]
(1) During heavy exercise, the breathing rate of a person slows down.
(2) Plants carry out photosynthesis only during the day and respiration only at night.
(3) Frogs breathe through their skin as well as their lungs.
(4) At high altitudes, the lower air pressure makes it more difficult for oxygen to enter our respiratory systems.
(5) Glucose breaks down into lactic acid in the absence of oxygen.

Which of the following is responsible for the formation of secondary medullary rays?

Rice is rich in:

Observe the given picture carefully and match A, B and C with their correct name and function from the table given below:

$\begin{array}{ccc}\text{Organ}& \text{Name}& \text{Function}\\ \text{A}& \text{Pancreas}& \text{Stores bile}\\ \text{B}& \text{Gall bladder}& \text{Pancreatic juice}\\ \text{C}& \text{Liver}& \text{Secretes bile}\end{array}$

Which of the following plants reproduce by spore formation?

Plants which have chlorophyll can make their own food. This mode of nutrition is called_____________.

Plants take atmospheric nitrogen from soil in the form of

Q17. Consider the following statements

1. 5th June is celebrated as the World Environment Day.

2. The theme for this year’s World Environment Day is ‘beat air pollution’.

3. India is the global host nation for the 43rd edition of the event.

Which of the above statement/s is/are correct?

Which one of the following is a conducting tissue?

Which of the following is not a seasonal allergy?

In flowering plants, the substances that would need to be transported are__________.

The albumin (white part) of egg gives violet color with the solution of copper sulfate and caustic soda. On the basis of this, we can say that________ is present in it.

What is the term used for the science of classification of living things?

How is beer made? What else is made from the same organism? Does its final product contain alcohol? [3 MARKS]

1. Starch and O₂
2. H₂O and energy
3. CO₂ , H₂O and energy
4. Sugar and O₂

I am a comma-shaped, bacterial pathogen which spreads through contaminated water and food. I cause severe diarrhea and water loss in the infected person. If not properly treated the infected person can be dehydrated. Who am I?

Explain the following digestive organ and write its functions

1. large intestine

Please tell me few examples of organisms that reproduce by Fragmentation.

Question 7
The tropical rainforest has a large population of animals. Explain why it is so?

Question 01
Which metal ion is a constituent of chlorophyll?
(a) Iron (b) Copper (c) Magnesium (d) Zinc

The process common to aerobic and anaerobic respiration is ______________.

What is meant by peristalsis? What is the direction of normal peristalsis? [2 MARKS]

Which one of the following is used as the navigation tool by birds to migrate from one place to another?

Which one of the following is a skin allergy?

What will happen if the large intestine stops working in your body?

All veins carrying deoxygenated blood combine into a single vein called__. This vein connects to the heart at the right atrium.

Yeast and other anaerobic bacteria are used in producing additive of gasoline at large scale. Why?

The major component of enamel is

The number of individual organisms of a particular species living in an area constitutes its

Are there any occupational hazards faced by the silk textile industry?

Why plants are called autotrophs?

In a population, unrestricted reproductive rate is called as__________.

Which of the following is an organ for locomotion found in the phylum echinodermata?

Plants absorb water using fine structures on roots called _________.

During exhalation, the ribs
(i) move outwards
(ii) move downwards
(iii) move upwards
(iv) do not move at all

Water is released as droplets. This is known as

Match the joints with their examples of where they are present in our body

$\begin{array}{cc}i.\text{Synovial joint}& a.\text{Elbow joint}\\ ii.\text{Pivot joint}& b.\text{Thumb joint}\\ iii.\text{Saddle joint}& c.\text{Carpal bone in wrist}\\ iv.\text{Hinge joint}& d.\text{Hip joint}\\ v.\text{Ball and socket joint}& e.\text{Knee joint}\\ vi.\text{Condyloid joint}& f.\text{Neck (axis and atlas)}\end{array}$

Which blood cell fight against germs that enter our body?

Identify the incorrect statement